# Horizon Class vs Bachelier Maths

The clearest difference is in-app purchases: Horizon Class at none against Bachelier Maths's 3. Horizon Class also leads on iOS requirement (15.6 vs 17.0). Bachelier Maths's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Bachelier Maths sells 3 in-app purchases, starting at $6.99 per month. Horizon Class asks for nothing beyond the download.

Horizon Class ships an update every 3 weeks, Bachelier Maths every 4 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Horizon Class | Bachelier Maths |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 115 MB | 31 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ruden Naggai ELENGA GOMEZ](https://appshunter.io/developer/1848458529) | [Brocko Studio](https://appshunter.io/developer/1885610245) |

## What reviewers say

### Horizon Class

[App page](https://appshunter.io/ios/app/horizon-class/id6754470109)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Bachelier Maths

[App page](https://appshunter.io/ios/app/bachelier-maths-revision-bac/id6761651453)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mensuel | $6.99 | per month |
| Premium Annuel | $34.99 | per year |
| Bachelier Maths Premium | $12.99 | one-time |


## Frequently asked questions

### Is Horizon Class free?

Horizon Class is free to download, with no in-app purchases.

### Is Bachelier Maths free?

Bachelier Maths is free to download, with in-app purchases available.

### Do Horizon Class or Bachelier Maths have ads?

Neither Horizon Class nor Bachelier Maths shows ads.

### Which is updated more often, Horizon Class or Bachelier Maths?

Horizon Class ships an update every 3 weeks, and Bachelier Maths every 4 days. Most recently, Horizon Class was updated on November 9, 2026 and Bachelier Maths on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*